长源东谷：比亚迪和赛力斯项目已基本完成并投产

Group 1 - The core viewpoint of the article is that Changyuan Donggu (603950) has completed the construction of its projects with BYD (002594) and Seres (601127), and these projects are now in production [1] Group 2 - The company has been actively engaging with investors through an interactive platform to provide updates on its project status [1] - The completion of these projects indicates a significant step forward in the company's operational capabilities and potential revenue generation [1]